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AMX Javlin

AMC 401

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STEP 1: Choose Cyl Bore Size Show all STEP 1: Choose Cyl Bore Size
STEP 2: Piston Series Show all STEP 2: Piston Series
STEP 3: Connecting Rod Length Show all STEP 3: Connecting Rod Length
STEP 4: Piston Pin Diameter Show all STEP 4: Piston Pin Diameter
STEP 6: Top - Comp. Ratio Show all STEP 6: Top - Comp. Ratio
Compression Height Show all Compression Height
Crankshaft Stroke Show all Crankshaft Stroke
6620-4165 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.165 inch bore Pin Dia.: 1 6620-4165 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.165 inch bore Pin Dia.: 1
from $749.95
from $749.95
401 AMC V8, FX, Comp Height: 1.5, -3cc Flat Top , PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-14.26, 54cc-13.47, 58cc-12.74 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6620-4185 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.185 inch bore Pin Dia.: 1 6620-4185 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.185 inch bore Pin Dia.: 1
from $749.95
from $749.95
405 AMC V8, FX, Comp Height: 1.5, -3cc Flat Top , PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-14.39, 54cc-13.56, 58cc-12.86 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6620-4195 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.195 inch bore Pin Dia.: 1 6620-4195 401 AMC V8 FX Series -3cc Flat Top AMC Forged Piston Set 4.195 inch bore Pin Dia.: 1
from $749.95
from $749.95
407 AMC V8, FX, Comp Height: 1.5, -3cc Flat Top , PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-14.42, 54cc-13.62, 58cc-12.89 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6625-4165 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.165 inch bore Pin Dia.: 1 6625-4165 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.165 inch bore Pin Dia.: 1
from $749.95
from $749.95
401 AMC V8, FX, Comp Height: 1.5, -28cc Dish Top, PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-10.46, 54cc-10.03, 58cc-9.66 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
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6625-4185 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.185 inch bore Pin Dia.: 1 6625-4185 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.185 inch bore Pin Dia.: 1
from $749.95
from $749.95
405 AMC V8, FX, Comp Height: 1.5, -28cc Dish Top, PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-10.53, 54cc-10.12, 58cc-9.73 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
Choose Options
6625-4195 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.195 inch bore Pin Dia.: 1 6625-4195 401 AMC V8 FX Series -28cc Dish Top AMC Forged Piston Set 4.195 inch bore Pin Dia.: 1
from $749.95
from $749.95
407 AMC V8, FX, Comp Height: 1.5, -28cc Dish Top, PIN: ", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.680", ROD: 5.858, Approx Comp Ratio: 50cc-10.58, 54cc-10.15, 58cc-9.77 Effective June 15th 2026, These V8 AMC ring grooves have been updated to the new specifications of 1.2-1.2-3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1/16-1/16-3/16.
Choose Options